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HomeProductsIntegrated Circuits (ICs)Data Acquisition - Analog to Digital Converters (ADC)ADS7960QDBTRQ1
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ADS7960QDBTRQ1 - Texas Instruments

Manufacturer Part Number
ADS7960QDBTRQ1
Manufacturer
Texas Instruments
Allelco Part Number
32D-ADS7960QDBTRQ1
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
13,063 pcs available, New & Original
Parts Description
IC ADC 8BIT SAR 38TSSOP
Package
38-TSSOP
Data sheet
ADS7960QDBTRQ1.pdf

HTML Datasheet

ADS79xx-Q1.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 13063
  • Unit Price: $1.862
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10+ $1.607 $16.07
30+ $1.448 $43.44
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500+ $1.212 $606.00
1000+ $1.179 $1,179.00
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Specifications

ADS7960QDBTRQ1 Tech Specifications
Texas Instruments - ADS7960QDBTRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - ADS7960QDBTRQ1

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply, Digital 1.7V ~ 5.25V
Voltage - Supply, Analog 2.7V ~ 5.25V
Supplier Device Package 38-TSSOP
Series Automotive, AEC-Q100
Sampling Rate (Per Second) 1M
Reference Type External
Ratio - S/H:ADC 1:1
Package / Case 38-TFSOP (0.173", 4.40mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C
Product Attribute Attribute Value
Number of Inputs 12
Number of Bits 8
Number of A/D Converters 1
Mounting Type Surface Mount
Input Type Single Ended
Features PGA
Data Interface SPI
Configuration MUX-PGA-S/H-ADC
Base Product Number ADS7960
Architecture SAR

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

ADS7960QDBTRQ1

Manufacturer

Texas Instruments

Introduction

High-speed, multichannel, automotive-grade, 8-bit analog-to-digital converter

Product Features and Performance

8-bit resolution

1M samples per second sampling rate

12 single-ended input channels

SPI data interface

MUX-PGA-S/H-ADC configuration

Single SAR A/D converter

Programmable gain amplifier (PGA) feature

External reference type

Operates on 2.7V to 5.25V analog supply voltage

Operates on 1.7V to 5.25V digital supply voltage

Operating temperature range from -40°C to 125°C

Product Advantages

Optimized for automotive applications

AEC-Q100 qualified

High-speed data acquisition

Multiplexed input channels for monitoring multiple signals

Built-in PGA for signal conditioning

SAR architecture for low-power and high-throughput

Wide range of supply voltages for flexible power management

Key Technical Parameters

Number of Bits: 8

Sampling Rate: 1MSPS

Number of Inputs: 12

Input Type: Single Ended

Data Interface: SPI

Architecture: SAR

Voltage Supply, Analog: 2.7V to 5.25V

Voltage Supply, Digital: 1.7V to 5.25V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

AEC-Q100 automotive qualification

Robust temperature performance

Suitable for safety-critical applications

Compatibility

Compatible with SPI protocol interfaces

Flexible voltage compatibility for mixed-voltage systems

Application Areas

Automotive electronics

Data acquisition systems

Sensor monitoring

Industrial control systems

Product Lifecycle

Active product status

Not nearing discontinuation

Availability of replacements or upgrades is ensured by manufacturer

Several Key Reasons to Choose This Product

Robust design suitable for harsh automotive environments

High-speed ADC enabling precise and rapid signal conversion

Multichannel input for comprehensive system monitoring

Integrated features, such as PGA for signal amplification, reducing additional component count

Texas Instruments' reputation for quality and reliability in semiconductor manufacturing

Long product lifecycle with continued manufacturer support

Surface mount design for modern, compact PCB layouts

Frequently Asked Questions(FAQ)

How does the ADS7960QDBTRQ1 handle input channel switching in automotive applications, and what are the timing implications for real-time signal acquisition?
The ADS7960QDBTRQ1 integrates an internal multiplexer capable of selecting one of its 12 single-ended inputs per conversion cycle. With a 1 MSPS sampling rate and a 1:1 sample-and-hold-to-ADC ratio, each conversion completes within approximately 1 µs. This enables rapid channel switching at up to 1 MHz, making it suitable for dynamic sensor monitoring in automotive systems such as tire pressure or seat occupancy detection. However, designers must account for multiplexer settling time and analog front-end response when evaluating total acquisition latency across multiple channels.
What voltage compatibility considerations should be made when interfacing the ADS7960QDBTRQ1 between a 3.3V microcontroller and a 5V analog sensor supply?
The ADS7960QDBTRQ1 supports independent power domains: analog supply (V_A) from 2.7V to 5.25V and digital supply (V_D) from 1.7V to 5.25V. This allows direct interfacing with both 5V sensors via V_A and low-voltage microcontrollers operating at 1.8V–3.3V through V_D. Critical design steps include ensuring that input signals do not exceed V_A + 0.3V or below ground by more than 0.3V, and maintaining proper decoupling on both supplies. Level-shifting is unnecessary if sensor outputs comply with these limits, simplifying system integration.
How does the programmable gain amplifier (PGA) feature of the ADS7960QDBTRQ1 influence effective resolution when measuring small differential signals near full-scale conditions?
While the ADS7960QDBTRQ1 is specified as an 8-bit ADC, its integrated PGA provides variable gain settings that effectively extend usable resolution under low-amplitude conditions. For example, applying a gain of 8 allows a ±40 mV signal to span the ADC’s input range, yielding a theoretical resolution improvement equivalent to ~1 bit. However, this comes at the cost of increased noise density and reduced dynamic range. Designers should balance PGA gain against quantization error and thermal noise to optimize signal-to-noise ratio for specific measurement scenarios.
In comparison to other SAR ADCs in the same package size, how does the ADS7960QDBTRQ1 perform in terms of power efficiency at maximum sampling rates?
At 1 MSPS, the ADS7960QDBTRQ1 consumes approximately 2.5 mW from the analog supply when operating at 3.3V. This places it competitively among similarly sized 8-bit SAR converters but slightly above ultra-low-power alternatives rated for lower throughput. Compared to multi-channel devices with shared resources, its dedicated S/H and PGA architecture reduces overhead per channel, offering better efficiency for sparse sampling applications. However, for continuous high-throughput logging, a lower-resolution delta-sigma ADC might offer superior energy-per-conversion metrics.
Can the ADS7960QDBTRQ1 be used in battery-powered automotive diagnostic tools requiring simultaneous monitoring of multiple sensors without external buffering?
Yes, provided the application uses sequential rather than truly simultaneous sampling. The device’s built-in multiplexer allows software-controlled channel scanning at up to 1 million conversions per second total across all 12 inputs. Since each channel conversion takes ~1 µs, full channel cycling occurs every ~12 µs—well within real-time constraints for most diagnostic functions like fuel rail pressure or cabin temperature arrays. No external buffer is needed due to the internal sample-and-hold circuit maintaining signal integrity during digitization.
What impact does the MSL 3 classification have on storage and handling requirements for the ADS7960QDBTRQ1 in mass-production assembly lines?
As an MSL 3 component, the ADS7960QDBTRQ1 must be stored in moisture-protected packaging and reflowed within 168 hours (one week) after removal from dry pack. Production facilities should maintain controlled humidity environments (<30% RH) and track usage timelines per JEDEC J-STD-033 standards. Failure to adhere increases risk of popcorning during thermal stress, which could compromise solder joints and long-term reliability—especially critical in automotive-grade assemblies where rework is limited.
How does the AEC-Q100 qualification support functional safety compliance in advanced driver-assistance systems (ADAS) using the ADS7960QDBTRQ1?
The AEC-Q100 Grade 1 qualification ensures the ADS7960QDBTRQ1 meets rigorous automotive environmental and lifecycle tests, including temperature cycling, mechanical shock, and electrostatic discharge immunity. This certification enables use in safety-relevant subsystems such as tire pressure monitoring or brake fluid level detection, where component failure could indirectly affect vehicle operation. While the device itself does not implement ASIL-specific diagnostics, its robust characterization under extreme conditions supports overall system-level safety arguments when paired with appropriate software validation.
What are the limitations of using the external reference mode with the ADS7960QDBTRQ1 compared to internal referencing, particularly regarding long-term accuracy?
Using an external reference with the ADS7960QDBTRQ1 offers improved accuracy (±1 LSB typical over temperature) compared to any internal source, assuming a stable, low-noise reference like the TLV431-based solutions common in automotive designs. However, external references introduce dependency on PCB layout, thermal gradients, and aging effects. Over a 10-year automotive lifespan, even precision shunt references may drift by several millivolts, affecting offset across the entire input range. Designers must compensate via calibration routines or select references with <10 ppm/°C drift specifications to maintain sub-LSB accuracy.
In what scenarios would choosing the ADS7960QDBTRQ1 over a dedicated instrumentation amplifier plus separate ADC configuration provide tangible benefits?
The ADS7960QDBTRQ1 combines programmable gain, sample-and-hold, and SAR conversion in a single IC, reducing board space, bill of materials, and synchronization complexity versus discrete approaches. For applications measuring moderate-amplitude single-ended signals (e.g., thermocouples, resistive sensors), this integration lowers system cost and improves timing predictability. However, for true differential, high-impedance, or low-level bridge measurements, a dedicated instrumentation amplifier followed by a higher-resolution ADC may yield better SNR and CMRR—making the ADS7960QDBTRQ1 ideal where simplicity and moderate precision suffice.
How does the SPI interface implementation affect data throughput when reading back converted values from the ADS7960QDBTRQ1 in burst mode?
The ADS7960QDBTRQ1’s SPI interface operates at up to 20 MHz clock rates, enabling full-speed readout of 8-bit conversion results with minimal latency. In burst mode—where multiple consecutive conversions are read without deselecting CS—the effective throughput approaches the ADC’s native 1 MSPS rate, minus negligible protocol overhead (~5% at 1 MHz SPI). This makes it feasible to sustain maximum sampling without bottlenecking the digital controller, especially beneficial in multiplexed systems where rapid data collection across channels is required.
What precautions are necessary when cascading multiple ADS7960QDBTRQ1 devices on the same SPI bus for expanded input counts?
When sharing an SPI bus among multiple ADS7960QDBTRQ1 devices, each must have a dedicated chip-select line to prevent bus contention. Timing margins must accommodate propagation delays across all selected devices, though no special protocol changes are required beyond standard SPI transactions. Care should also be taken to ensure that the combined load on the master’s output pins does not violate voltage thresholds; otherwise, additional buffering may be needed. Daisy-chaining is not supported due to the lack of daisy-chain modes in the SPI peripheral.
How does the operating temperature range (-40°C to 125°C) influence offset and linearity performance of the ADS7960QDBTRQ1 in harsh automotive environments?
Within its extended industrial-to-automotive temperature range, the ADS7960QDBTRQ1 maintains monotonicity and integral nonlinearity (INL) within ±1.5 LSB and offset drift typically below 10 µV/°C. These characteristics ensure reliable performance in engine bays or exhaust manifolds where thermal transients occur rapidly. However, abrupt thermal shocks can temporarily shift offset; therefore, warm-up periods or periodic self-calibration may be advisable in mission-critical measurements. Always consult TI’s latest errata for updated thermal performance curves before finalizing designs.
What role does the PGA play in mitigating noise susceptibility when using the ADS7960QDBTRQ1 in electrically noisy automotive environments?
The PGA allows amplification of weak input signals prior to digitization, improving the effective signal-to-noise ratio (SNR) by concentrating the desired signal closer to the ADC’s full-scale range. This reduces the relative impact of quantization noise and minimizes the need for aggressive external filtering, which can distort fast transients. However, excessive gain increases susceptibility to EMI-induced distortion unless accompanied by proper shielding and layout practices. Optimal PGA settings depend on expected signal levels and ambient noise spectral density.
How does the absence of internal calibration features affect long-term measurement stability when deploying the ADS7960QDBTRQ1 in fleet management systems?
The ADS7960QDBTRQ1 lacks built-in offset/gain calibration registers, relying instead on initial factory trimming and external reference stability. Over time, component aging and temperature cycling can introduce measurable drift, potentially exceeding 1 LSB after 5+ years depending on operating conditions. Fleet management systems requiring traceable accuracy should incorporate periodic reference checks or periodic zero-span measurements using known inputs to correct drift dynamically—adding complexity but preserving measurement integrity.
What are the key differences between the ADS7960QDBTRQ1 and the ADS7960DBTR (non-Q version) relevant to production qualification and supply chain planning?
The primary distinction lies in automotive qualification: only the ADS7960QDBTRQ1 carries AEC-Q100 certification, making it compliant for production car builds. The non-Q variant is industrial-grade and cannot be used in safety-related automotive subsystems without additional validation. Both share identical electrical performance, but supply chain risks differ significantly—TI guarantees long-term availability for Q versions used in automotive programs, whereas industrial parts may face earlier obsolescence. Designers targeting OEMs must specify the Q suffix to meet procurement requirements.
How should input capacitance be managed when connecting slow-varying analog sensors to the ADS7960QDBTRQ1 to avoid settling errors?
The ADS7960QDBTRQ1’s internal S/H capacitor has fixed value (~1.2 pF), so driving sources must settle within the allotted aperture time (~10 ns typical). High-source impedances or large parasitic capacitances (e.g., from long traces or unshielded cables) create RC time constants that delay charge transfer, leading to incomplete sampling. Use low-output-impedance buffers or keep sensor leads short and grounded-shielded. If driving capacitive loads >1 nF, consider adding series resistance (typically 50–200 Ω) to dampen ringing and improve settling.
What trade-offs arise when selecting the ADS7960QDBTRQ1 for applications demanding both high channel count and low-latency response?
While the ADS7960QDBTRQ1 excels in per-channel speed (1 MSPS), scanning all 12 inputs sequentially introduces inherent latency (~12 µs worst-case). For sub-µs response requirements, parallel architectures or faster-multiplexing devices may be preferable. However, the ADS7960QDBTRQ1 compensates by minimizing dead time between conversions and offering deterministic timing control via SPI. Thus, it strikes a practical balance between channel density and responsiveness for most automotive sensing tasks, where slight delays are acceptable compared to hardware simplicity and cost savings.
Why might a designer choose the TSSOP-38 package of the ADS7960QDBTRQ1 over surface-mount alternatives despite higher pin density?
The 38-pin TSSOP (4.4 mm width) provides sufficient I/O for 12 inputs plus SPI, power, and control lines while maintaining manageable footprint on double-sided PCBs. Though slightly larger than some QFN packages, it offers superior solder joint inspection and repairability—critical for automotive manufacturing lines where automated optical inspection (AOI) performs better on exposed pads. Additionally, its standardized height simplifies stacking with other components in compact ECUs, avoiding clearance issues common with taller QFN variants.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments ADS7960QDBTRQ1

Product Attribute ADS7961QDBTRQ1 ADS7959QDBTRQ1 ADS7960SDBTG4 ADS7959SDBTR
Part Number ADS7961QDBTRQ1 ADS7959QDBTRQ1 ADS7960SDBTG4 ADS7959SDBTR
Manufacturer Texas Instruments Texas Instruments Luminary Micro / Texas Instruments Texas Instruments
Base Product Number - DAC34H84 MAX500 ADS62P42
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Number of Inputs - - - 2
Architecture - Current Source R-2R Pipelined
Voltage - Supply, Digital - 1.14V ~ 1.26V 11.4V ~ 16.5V 1.65V ~ 3.6V
Configuration - - - S/H-ADC
Number of A/D Converters - - - 2
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Features - - - Simultaneous Sampling
Ratio - S/H:ADC - - - 1:1
Reference Type - External, Internal External External, Internal
Input Type - - - Differential
Sampling Rate (Per Second) - - - 65M
Data Interface - LVDS - Parallel I²C LVDS - Parallel, Parallel
Voltage - Supply, Analog - 3.14V ~ 3.46V 11.4V ~ 16.5V 3V ~ 3.6V
Number of Bits - 16 8 14
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

ADS7960QDBTRQ1 Datasheet PDF

Download ADS7960QDBTRQ1 pdf datasheets and Texas Instruments documentation for ADS7960QDBTRQ1 - Texas Instruments.

HTML Datasheet
ADS79xx-Q1.pdf

Customer Reviews

Evaluation: 10 Articles

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Texas Instruments

ADS7960QDBTRQ1

Texas Instruments
32D-ADS7960QDBTRQ1

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